Neuropsychological deficits are among the negative side effects of adjuvant chemotherapy for breast cancer. We compared the effects of two types of neuropsychological interventions against a control group with no specific training in a total of 96 female in-patients undergoing oncological rehabilitation. Most results of a comprehensive neuropsychological test battery improved significantly during the patients' oncological rehabilitation in all three groups; we identified no specific intervention effects. We observed little overall correlation between the neuropsychological test results and the patients' own appraisals of their mental capacity. Clinically relevant neuropsychological deficits were still evident 6 months later in a small subgroup of patients.

The identification of verbal-semantic memory as a specific problem area has important implications on the planning of future studies with regard to both the examination of underlying pathophysiological mechanisms and the specific effects of these deficits on patients' self-appraisal.

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